/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.runners.core.triggers;



import com.bff.gaia.unified.sdk.state.TimeDomain;

import com.bff.gaia.unified.sdk.transforms.SerializableFunction;

import com.bff.gaia.unified.vendor.guava.com.google.common.base.Objects;

import org.joda.time.Instant;



import javax.annotation.Nullable;

import java.util.Collections;

import java.util.List;



// This should not really have the superclass https://issues.apache.org/jira/browse/BEAM-1486

class AfterSynchronizedProcessingTimeStateMachine extends AfterDelayFromFirstElementStateMachine {



  public static AfterSynchronizedProcessingTimeStateMachine ofFirstElement() {

    return new AfterSynchronizedProcessingTimeStateMachine();

  }



  @Override

  @Nullable

  public Instant getCurrentTime(TriggerStateMachine.TriggerContext context) {

    return context.currentSynchronizedProcessingTime();

  }



  private AfterSynchronizedProcessingTimeStateMachine() {

    super(TimeDomain.SYNCHRONIZED_PROCESSING_TIME, Collections.emptyList());

  }



  @Override

  public String toString() {

    return "AfterSynchronizedProcessingTime.pastFirstElementInPane()";

  }



  @Override

  public boolean equals(Object obj) {

    return this == obj || obj instanceof AfterSynchronizedProcessingTimeStateMachine;

  }



  @Override

  public int hashCode() {

    return Objects.hashCode(AfterSynchronizedProcessingTimeStateMachine.class);

  }



  @Override

  protected AfterSynchronizedProcessingTimeStateMachine newWith(

      List<SerializableFunction<Instant, Instant>> transforms) {

    // ignore transforms

    return this;

  }

}